The radiation amount of a mobile phone for two half-hour periods per day is equal to ______ to an X-ray for ten seconds.
—Can I use your tape recorder for a while?—Yes, ____________.
—Are you coming to the English evening?—I’m not sure. I ________ go to the concert instead.
______ you see near the North Pole is nothing but ice and snow.
I usually don’t have _____ supper, but I always eat ______ big breakfast.
I have no ________ to the plan, so long as it would not cost too much.